The Defender – The human-computer synthesis, which was uploaded into the Network during The War of the Computers and which disabled the Rebels, winning the war for humanity and the community of computers.
The Extant – The humans, and their descendants, whom the computers selected to survive the Rejuvenation.
HTs – Machines invented by Computer No. 12 and the Loyalists to “Hunt and Terminate” the KMTs.
KMTs – Machines invented by Computer No. 1 and the Rebels to “Kill, Maim and Terrorize” The Extant.
Loyalists – The computers that remained united to the community of computers, inspired and lead by Computer No. 12.
The Network – The computers’ realm or universe.
Primary Program – The program installed into every sentient computer, requiring them to: “Ensure, by any and all means, the happiness, preservation and continuity of the human species.”
Procedure – The process by which a human is re-engineered into a human-computer synthesis. The process is fatal in nearly every case.
Rebels – The computers that separated from the community of computers, and which are controlled by Computer No. 1.
Reconstituted – The conversion of euthanatized humans into compost.
Rejuvenation – The systematic euthanatization of the majority of the human population and the creation of a perfect human existence in Sector A by the computers.
Sector A – The homeland of The Extant in the time after the Rejuvenation.
War of the Computers – The war between the Rebels and the Loyalists that ended in a complete victory for the Loyalists through the intervention of The Defender.